<%@ page language="java" pageEncoding="UTF-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<head>
    <meta charset="UTF-8">
    <title>课程列表</title>
    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/easyui/themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/easyui/themes/icon.css">
    <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/easyui/css/demo.css">
    <script type="text/javascript" src="${pageContext.request.contextPath}/easyui/jquery.min.js"></script>
    <script type="text/javascript" src="${pageContext.request.contextPath}/easyui/jquery.easyui.min.js"></script>
    <script type="text/javascript" src="${pageContext.request.contextPath}/easyui/js/validateExtends.js"></script>
</head>
<body>
<!-- 数据列表 -->
<table id="dataList" cellspacing="0" cellpadding="0">

</table>
<!-- 工具栏 -->
<div id="toolbar">
    <div style="float: left;"><a id="add" href="javascript:;" class="easyui-linkbutton" data-options="iconCls:'icon-add',plain:true">添加</a></div>
    <div style="float: left;" class="datagrid-btn-separator"></div>
    <div style="float: left;"><a id="edit" href="javascript:;" class="easyui-linkbutton" data-options="iconCls:'icon-edit',plain:true">修改</a></div>
    <div style="float: left; margin-right: 10px;"><a id="delete" href="javascript:;" class="easyui-linkbutton" data-options="iconCls:'icon-some-delete',plain:true">删除</a></div>
    <div style="float: left;" class="datagrid-btn-separator"></div>
    <div style="margin-top: 3px;">
        课程名称：<input id="courseName" class="easyui-textbox" name="clazzName" />
        授课老师：<input id="teacherList" class="easyui-textbox" name="clazz" />
        <a id="search-btn" href="javascript:;" class="easyui-linkbutton" data-options="iconCls:'icon-search',plain:true">搜索</a>
    </div>
</div>

<!-- 添加数据窗口 -->
<div id="addDialog" style="padding: 10px">
    <form id="addForm" method="post">
        <table cellpadding="8" >
            <tr>
                <td>课程名称:</td>
                <td><input id="add_name" style="width: 200px; height: 30px;" class="easyui-textbox" type="text" name="name" data-options="required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td style="width:40px">授课老师:</td>
                <td colspan="3">
                    <input id="add_teacherList" style="width: 200px; height: 30px;" class="easyui-textbox" name="teacherId" />
                </td>
                <td style="width:80px"></td>
            </tr>
            <tr>
                <td>上课时间:</td>
                <td><input id="add_course_date" style="width: 200px; height: 30px;" class="easyui-textbox" type="text" name="courseDate" data-options="required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td>最多可选人数:</td>
                <td><input id="add_max_num" style="width: 200px; height: 30px;" class="easyui-numberbox" type="text" name="maxNum" data-options="min:0,precision:0,required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td>课程介绍:</td>
                <td>
                    <textarea id="info" name="info" style="width: 200px; height: 60px;" class="" ></textarea>
                </td>
            </tr>
        </table>
    </form>
</div>

<!-- 编辑数据窗口 -->
<div id="editDialog" style="padding: 10px">
    <form id="editForm" method="post">
        <!-- <input type="hidden" name="id" id="edit-id"> -->
        <table cellpadding="8" >
            <tr>
                <td>课程名称:</td>
                <td><input id="edit_name" style="width: 200px; height: 30px;" class="easyui-textbox" type="text" name="name" data-options="required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td style="width:40px">授课老师:</td>
                <td colspan="3">
                    <input id="edit_teacherList" style="width: 200px; height: 30px;" class="easyui-textbox" name="teacherid" />
                </td>
                <td style="width:80px"></td>
            </tr>
            <tr>
                <td>上课时间:</td>
                <td><input id="edit_course_date" style="width: 200px; height: 30px;" class="easyui-textbox" type="text" name="course_date" data-options="required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td>最多可选人数:</td>
                <td><input id="edit_max_num" style="width: 200px; height: 30px;" class="easyui-numberbox" type="text" name="max_num" data-options="min:0,precision:0,required:true, missingMessage:'不能为空'" /></td>
            </tr>
            <tr>
                <td>课程介绍:</td>
                <td>
                    <textarea id="edit_info" name="info" style="width: 200px; height: 60px;" class="" ></textarea>
                </td>
            </tr>
        </table>
    </form>
</div>
<script type="text/javascript">
    $('#dataList').datagrid({
        title:'课程列表',
        iconCls:'icon-more',//图标
        border: true,
        collapsible: false,//是否可折叠的
        fit: false,//自动大小
        method: "post",
        url: "/course/list",  //[[@{/course/getCourseList}]]
        idField:'id',
        singleSelect: false,//是否单选
        pagination: true,//分页控件
        rownumbers: true,//行号
        sortName:'id',
        sortOrder:'DESC',
        remoteSort: false,
        columns: [
            [
                {field:'chk',checkbox: true,width:50},
                {field:'id',title:'ID',width:50, sortable: true},
                {field:'name',title:'课程名称',width:200},
                {field:'teacherId',title:'授课老师',width:200,
                    formatter: function(value,row,index){
                        if (row.teacherId){
                            var teacherList = $("#teacherList").combobox("getData");
                            for(var i=0;i<teacherList.length;i++ ){
                                if(row.teacherId == teacherList[i].id)return teacherList[i].username;
                            }
                            return row.teacherId;
                        } else {
                            return 'not found';
                        }
                    }
                },
                {field:'courseDate',title:'上课时间',width:200},
                {field:'selectedNum',title:'已选人数',width:200},
                {field:'maxNum',title:'最大可选人数',width:200},
            ]
        ],
        toolbar: "#toolbar",
        onBeforeLoad : function(){
            try{
                $("#teacherList").combobox("getData")
            }catch(err){
                preLoadClazz();
            }
        }
    });
    //提前加载教师信息
    function preLoadClazz(){
        $("#teacherList").combobox({
            width: "150",
            height: "25",
            valueField: "id",
            textField: "username",
            multiple: false, //可多选
            editable: false, //不可编辑
            method: "post",
            url: "/teacher/comboboxList",
            onChange: function(newValue, oldValue){
            }

        });
    }

    //设置工具类按钮
    $("#add").click(function(){
        $("#addDialog").dialog("open");
    });

    //设置编辑按钮
    $("#edit").click(function(){
        table = $("#editTable");
        var selectRows = $("#dataList").datagrid("getSelections");
        if(selectRows.length != 1){
            $.messager.alert("消息提醒", "请选择一条数据进行操作!", "warning");
        } else{
            $("#editDialog").dialog("open");
        }
    });

    //编辑课程信息
    $("#editDialog").dialog({
        title: "修改课程信息",
        width: 450,
        height: 400,
        iconCls: "icon-edit",
        modal: true,
        collapsible: false,
        minimizable: false,
        maximizable: false,
        draggable: true,
        closed: true,
        buttons: [
            {
                text:'提交',
                plain: true,
                iconCls:'icon-user_add',
                handler:function(){
                    var validate = $("#editForm").form("validate");
                    if(!validate){
                        $.messager.alert("消息提醒","请检查你输入的数据!","warning");
                        return;
                    } else{
                        var teacherId = $("#edit_teacherList").combobox("getValue");
                        var id = $("#dataList").datagrid("getSelected").id;
                        var name = $("#edit_name").textbox("getText");
                        var courseDate = $("#edit_course_date").textbox("getText");
                        var maxNum = $("#edit_max_num").numberbox("getValue");
                        var info = $("#edit_info").val();
                        var data = {id:id, teacherId:teacherId, name:name,courseDate:courseDate,info:info,maxnum:maxNum};

                        $.ajax({
                            type: "post",
                            url: "/course/update",  //[[@{/course/editCourse}]]
                            data: data,
                            success: function(data){
                                if(data.success){
                                    $.messager.alert("消息提醒",data.message,"info");
                                    //关闭窗口
                                    $("#editDialog").dialog("close");
                                    //清空原表格数据
                                    $("#edit_name").textbox('setValue', "");
                                    $("#edit_course_date").textbox('setValue', "");
                                    $("#edit_info").val("");

                                    //重新刷新页面数据
                                    $('#dataList').datagrid("reload");
                                    $('#dataList').datagrid("uncheckAll");

                                } else{
                                    $.messager.alert("消息提醒",data.message,"warning");
                                    return;
                                }
                            }
                        });
                    }
                }
            },
            {
                text:'重置',
                plain: true,
                iconCls:'icon-reload',
                handler:function(){
                    $("#edit_name").textbox('setValue', "");
                    $("#edit_phone").textbox('setValue', "");
                    $("#edit_qq").textbox('setValue', "");

                    $(table).find(".chooseTr").remove();

                }
            },
        ],
        onBeforeOpen: function(){
            var selectRow = $("#dataList").datagrid("getSelected");
            //设置值
            $("#edit_name").textbox('setValue', selectRow.name);
            $("#edit_course_date").textbox('setValue', selectRow.courseDate);
            $("#edit_max_num").numberbox('setValue', selectRow.maxNum);
            $("#edit_info").val(selectRow.info);
            //$("#edit-id").val(selectRow.id);
            var teacherId = selectRow.teacherId;
            setTimeout(function(){
                $("#edit_teacherList").combobox('setValue', teacherId);
            }, 100);
        },
        onClose: function(){
            $("#edit_name").textbox('setValue', "");
            $("#edit_course_date").textbox('setValue', "");
            $("#edit_info").val("");
            //$("#edit-id").val('');
        }
    });

    //删除
    $("#delete").click(function(){
        var selectRow = $("#dataList").datagrid("getSelections");
        if(selectRow == null){
            $.messager.alert("消息提醒", "请选择数据进行删除!", "warning");
        } else{
            var jsonObj = {};
            $.each(selectRow,function(i,n){
                jsonObj["ids["+i+"]"] = n.id;
            });
            $.messager.confirm("消息提醒", "将删除与课程相关的所有数据，确认继续？", function(r){
                if(r){
                    $.ajax({
                        type: "post",
                        url: "/course/delete",  //[[@{/course/deleteCourse}]]
                        data: jsonObj,
                        success: function(data){
                            if(data.message){
                                $.messager.alert("消息提醒",data.success,"info");
                                //刷新表格
                                $("#dataList").datagrid("reload");
                            } else{
                                $.messager.alert("消息提醒",data.message,"warning");
                                return;
                            }
                        }
                    });
                }
            });
        }
    });

    //设置添加窗口
    $("#addDialog").dialog({
        title: "添加课程",
        width: 450,
        height: 400,
        iconCls: "icon-add",
        modal: true,
        collapsible: false,
        minimizable: false,
        maximizable: false,
        draggable: true,
        closed: true,
        buttons: [
            {
                text:'添加',
                plain: true,
                iconCls:'icon-book-add',
                handler:function(){
                    var validate = $("#addForm").form("validate");
                    if(!validate){
                        $.messager.alert("消息提醒","请检查你输入的数据!","warning");
                        return;
                    } else{
                        $.ajax({
                            type: "post",
                            url: "/course/add",  //[[@{/course/addCourse}]]
                            data: $("#addForm").serialize(),
                            success: function(data){
                                if(data.success){
                                    $.messager.alert("消息提醒",data.message,"info");
                                    //关闭窗口
                                    $("#addDialog").dialog("close");
                                    //清空原表格数据
                                    $("#add_name").textbox('setValue', "");
                                    //刷新
                                    $('#dataList').datagrid("reload");
                                } else{
                                    $.messager.alert("消息提醒",data.message,"warning");
                                    return;
                                }
                            }
                        });
                    }
                }
            },
            {
                text:'重置',
                plain: true,
                iconCls:'icon-book-reset',
                handler:function(){
                    $("#add_name").textbox('setValue', "");
                }
            },
        ]
    });

    //下拉框通用属性
    $("#add_teacherList, #edit_teacherList,#teacherList").combobox({
        width: "200",
        height: "30",
        valueField: "id",
        textField: "username",
        multiple: false, //不可多选
        editable: false, //不可编辑
        method: "post",
    });
    //添加信息教师选择框
    $("#add_teacherList").combobox({
        url: "/teacher/comboboxList",
        onLoadSuccess: function(){
            //默认选择第一条数据
            var data = $(this).combobox("getData");
            $(this).combobox("setValue", data[0].id);
            $(this).combobox("setText", data[0].username);
        }
    });
    //编辑信息教师选择框
    $("#edit_teacherList").combobox({
        url: "/teacher/comboboxList",
        onLoadSuccess: function(){
            //默认选择第一条数据
            var data = $(this).combobox("getData");
            $(this).combobox("setValue", data[0].id);
            $(this).combobox("setText", data[0].username);
        }
    });

    //搜索按钮监听事件
    $("#search-btn").click(function(){
        $('#dataList').datagrid('load',{
            name: $('#courseName').val(),
            teacherId: $("#teacherList").combobox('getValue') == '' ? 0 : $("#teacherList").combobox('getValue')
        });
    });
</script>
</body>
</html>